τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
expĭātus: ūs, m. expio,I atonement, expiation (post-class.), Tert. adv. Val. 13.